public void DllAddLast()
{
var list = new DlList<Int>();
list.AddLast(new Int(2));
Assert.AreEqual(2, list.Last.Data.Value);
list.AddLast(new Int(1));
Assert.AreEqual(1, list.Last.Data.Value);
}
public void DllCount()
{
var list = new DlList<Int>();
list.AddLast(new Int(1));
list.AddLast(new Int(2));
list.AddLast(new Int(3));
list.AddLast(new Int(4));
var listSize = list.Count();
Assert.IsTrue(listSize == 4);
Assert.IsFalse(listSize == 0);
}
public void DllClear()
{
var list = new DlList<Int>();
list.AddLast(new Int(1));
list.AddLast(new Int(2));
list.AddLast(new Int(3));
Assert.AreEqual(3, list.Last.Data.Value);
Assert.AreEqual(1, list.First.Data.Value);
list.Clear();
Assert.IsNull(list.Last);
Assert.IsNull(list.First);
}
public void DllFind()
{
var list = new DlList<Int>();
list.AddLast(new Int(1));
list.AddLast(new Int(2));
list.AddLast(new Int(3));
list.AddLast(new Int(4));
var four = new Int(4);
var five = new Int(5);
Assert.AreEqual(four.Value, list.Find(four).Data.Value);
Assert.IsFalse(list.Find(five).Data.Value.Equals(five.Value));
}
public void DllContains()
{
var list = new DlList<Int>();
list.AddLast(new Int(1));
list.AddLast(new Int(2));
list.AddLast(new Int(3));
list.AddLast(new Int(4));
var trueNode = new Node<Int>(new Int(4));
var falseNode = new Node<Int>(new Int(5));
Assert.IsTrue(list.Contains(trueNode));
Assert.IsFalse(list.Contains(falseNode.Data));
}
public void DllRemoveFirst()
{
var list = new DlList<Int>();
list.AddFirst(new Int(3));
list.AddFirst(new Int(2));
list.AddFirst(new Int(1));
Assert.AreEqual(1, list.First.Data.Value);
list.RemoveFirst();
Assert.AreEqual(2, list.First.Data.Value);
list.RemoveFirst();
Assert.AreEqual(3, list.First.Data.Value);
}
